| Dataminr UK Ltd | London | A rating |
| DataObrii Ltd | London | A rating |
| DATAPAO LIMITED | Nottingham | A rating |
| DATAPARE LTD | London | A rating |
| Datapharm Ltd | Leatherhead | A rating |
| DataProv Limited | London | A rating |
| Datar Cancer Genetics UK Private Limited | Guildford | A rating |
| DataRobot UK LTD | Bristol | A rating |
| Datascan Retail Systems Ltd | Coleshill | A rating |
| Datascope Systems Ltd | Chester | A rating |
| Dataseat Ltd | London | A rating |
| DataShapa Ltd | London | A rating |
| Datashrubs Technologies Ltd | Ilford | A rating |
| Datasite UK Ltd. | London | A rating |
| DATASIXTH LIMITED | London | A rating |
| Dataslice Ltd | Crawely | A rating |
| DATASOFT DIGITEL LTD | London | A rating |
| Datasparq Limited | London | A rating |
| Datassential UK Limited | London | A rating |
| Dataswift Ltd | Cambridge | A rating |
| Datatank Ltd | Nottingham | A rating |
| DataTek Limited | Manchester | A rating |
| DATATEL FIBER LTD | Southampton | A rating |
| Datatel Ltd | Bedford | A rating |
| DATATONIC LTD | LONDON | A rating |
| Datatote (England) Ltd | Bristol | A rating |
| Datatrix Ltd | London | A rating |
| Datatronix Services Limited | London | A rating |
| Datavid Limited | Reading | A rating |
| Datawhizz Limited | Reading | A rating |
| Dataworks Group Limited | London | A rating |
| Dataxpie ltd | London | A rating |
| DATAZONE TECHNOLOGIES LIMITED | London | A rating |
| Datchet Cricket Club | Datchet | A rating |
| DATCHET HOSPITALITY LIMITED | Slough | A rating |
| DATCONET LTD | South Derbyshire, | A rating |
| Date Sultan Ltd | London | A rating |
| Datecs (UK) Ltd | Princes Risborough | A rating |
| Datel Computing Limited | Warrington | A rating |
| Datel Design & Development Ltd | Stone | A rating |
| DATELIGHT LIMITED T/A PRIMROSE PHARMACY | LONDON | A rating |
| Datitude Ltd | Amersham | A rating |
| Datix Ltd t/a RL Datix Ltd | London | A rating |
| Datoba LTD | London | A rating |
| Datotem Limited | Kent | A rating |
| Datox Ltd | London | A rating |
| Datsons Accountancy Services Limited | Leicester | A rating |
| Datta & Brothers Limited | London | A rating |
| Datta Cash & Carry Ltd | Oldham, | A rating |
| Datta Properties Ltd | London | A rating |
| Datto Europe Limited | Reading | A rating |
| DATUM ENGINEERING SERVICES LTD | Ilford | A rating |
| Datum site Engineering services LTD | Widnes | A rating |
| DAU CARE LTD T/A LEYS REST HOME | ALVECHURCH | A rating |
| Daubney Ltd | LINCOLN | A rating |
| Daughters of Divine Charity | Middleton | A rating |
| Daughters of Divine Love Training and Assessment Centre (UK) - DDLTAC (UK) | London | A rating |
| Daughters of Divine Love, English Region | London | A rating |
| Daughters of Mary Help of Christians | Liverpool | A rating |
| Daughters of Mary Mother of Mercy | London | A rating |
| Daughters of Our Lady of Providence | Alton | A rating |
| DAUGHTERS OF ST PAUL | LIVERPOOL | A rating |
| Daughters of the Heart of Mary | Wimbledon | A rating |
| Daughters of Zion Property Management | Croydon | A rating |
| Dauntless Agency Ltd. | London | A rating |
| Dauntsey House Care Ltd | Devizes | A rating |
| Daura Ltd | Manchester | A rating |
| Dauti Lifts LTD | London | A rating |
| DAV & SON CO LTD | Feltham | A rating |
| Davall Gears Ltd | Welham Green | A rating |
| Dave & Adam's Card World Ltd | Bletchley | A rating |
| Dave & Dave Ltd | Leicester | A rating |
| Dave Cut & Edge Ltd | Southall | A rating |
| DAVE ELECTRICAL SERVICES LTD | HOUNSLOW | A rating |
| Dave's Discount (Stores) Limited | Dudley | A rating |
| Davencroft Ltd | Brandon | A rating |
| Davenham Convenience Store | Devenham | A rating |
| DAVENPORT BARGAIN STORE LTD | Stockport | A rating |
| Davenport Developments Limited T/A Novotel and Adagio Leicester | Leicester | A rating |
| Davenport Manor Residential Home Ltd | Stockport | A rating |
| Davenport Off-Licence T/A Go Local | Stockport | A rating |
| Daventry Dental Care | Daventry | A rating |
| Daventry Healthcare Limited | Daventry | A rating |
| DAVENTRY PHARMA LIMITED | Nuneaton | A rating |
| Daversa Partners Limited | London | A rating |
| Daves James Limited | Edgware | A rating |
| DAVETHAN TECHNOLOGIES LIMITED | London | A rating |
| Davey's Chemist | Huyton | A rating |
| David Smith Associates | Northampton | A rating |
| DAVID & HANNAH DOWNEY T/A THE BANK | NEWRY | A rating |
| DAVID ADKIN LIMITED | BANBURY | A rating |
| David Andrew Estates Ltd | London | A rating |
| David Barrett Partners | London | A rating |
| David Benson Solicitors Ltd | London | A rating |
| DAVID BRENTMEAD LIMITED TRADING AS BRENTMEAD PHARMACY | LONDON | A rating |
| DAVID BROWN SANTASALO UK LIMITED | HUDDERSFIELD | A rating |
| David Cargill House SCIO | Glasgow | A rating |
| David Catt Spitalfields Limited | london | A rating |
| David Charles Embroidery and Screenprinting Limited | Maidenhead | A rating |
| David Chipperfield Architects Ltd | London | A rating |
| David Collins Studio | London | A rating |
| David Davies Resources Ltd | Shrewsbury | A rating |
| David Engellau Music & Audio Limited | Shoreham by Sea | A rating |
| David Game College Ltd | London | A rating |
| David Ghotra Ltd | Southampton | A rating |
| David Gill Galleries Limited | London | A rating |
| david haward associates, chartered architects | st david's | A rating |
| David Hockney UK Limited | London | A rating |
| David Ian Productions Ltd | London | A rating |
| David James McKee | Kilkeel | A rating |
| David Jarvis Associates Ltd | Swindon | A rating |
| David Kohn Architects Limited | London | A rating |
| DAVID KOMA LTD | LONDON | A rating |
| David Leone and Partners Investment Company Limited | London | A rating |
| David Lewis | Warford | A rating |
| David Lock Associates Ltd | Central Milton Keynes | A rating |
| David Ludzker Ltd | Liverpool | A rating |
| DAVID MCPHEE | KILMARNOCK | A rating |
| David Morley Architects | London | A rating |
| David Mwanaka t/a Mwanaka Fresh Farm Foods | Cambridge | A rating |
| David Neal Holdings Ltd | London | A rating |
| David Nieper Academy | Alfreton | A rating |
| David O'Meara Racing Limited | York | A rating |
| David Oliver Associates | Braintree | A rating |
| David Ritchie (Implements) Ltd | Forfar | A rating |
| David Salisbury Joinery Limited | HIGHBRIDGE | A rating |
| David Simcock Racing Ltd | Newmarket | A rating |
| David Sims Photography Limited | London | A rating |
| David Stanley Opticals Limited | London | A rating |
| DAVID WALDIES LTD | DUNDEE | A rating |
| David Wej UK Limited | London | A rating |
| David Wilson Fishing Limited | Buckie | A rating |
| DAVID WINISTAN PHILIP MARIYA DAVID T/A TEXACO WIDNES | Widnes | A rating |
| David Wood Baking Ltd | Leeds | A rating |
| David Wright | London | A rating |
| David Wyld & Co Solicitors | LONDON | A rating |
| David Zwirner Limited | London | A rating |
| Davidsen Retail Ltd | Northolt | A rating |
| Davidson Brothers (Shotts) Limited | Shotts | A rating |
| Davidson Enterprises Limited | Worcester Park | A rating |
| Davidson Hospitality UK Limited | London | A rating |
| Davidson Kempner European Partners, LLP | London | A rating |
| DAVIDSON OF RORA LTD | London | A rating |
| DavidsonMorris Ltd | London | A rating |
| Davies Global (CDL) Limited | London | A rating |
| Davies Group Limited | Stoke on Trent | A rating |
| DAVIES IMPORT & EXPORT LTD | Brighton | A rating |
| Davies Maguire Limited | London | A rating |
| Davies McKerr Ltd | London | A rating |
| Davies Street Bar Limited | London | A rating |
| Davies Turner PLC | Coleshill | A rating |
| Davigdor Lodge Rest Home | Hove | A rating |
| Davinci Solicitors Limited | Manchester | A rating |
| Davines (UK) Limited | London | A rating |
| DAVIS GROUND IT SERVICES LIMITED | Coventry | A rating |
| Davis Landscape Architecture | London | A rating |
| Davis Pemberton & Sarwar Limited | Teeside | A rating |
| Davis Polk & Wardwell London LLP | London | A rating |
| Davison Canners Limited | Armagh | A rating |
| Davison Contracts Limited | Newcastle-Upon-Tyne | A rating |
| Davisons Solicitors Ltd | Birmingham | A rating |
| DAVITA (UK) Ltd | London | A rating |
| DAVITA INTERNATIONAL LIMITED | London | A rating |
| Davitt Jones Bould Limited | Somerset | A rating |
| Davjunnel Solicitors Ltd | Watford | A rating |
| DAVLYN HOUSE CARE LTD T/A DAVLYN HOUSE | STOKE ON TRENT | A rating |
| Davonport Furniture Ltd | COLCHESTER | A rating |
| Davoud Falahatgar Etminani, trading as Tigers Taekwondo Academy | London | A rating |
| DAVUT LTD | LONDON | A rating |
| Davy's of London (Wine Merchants) Ltd | GREENWICH | A rating |
| DAWAAH LIMITED | Milton Keynes | A rating |
| DAWAT BRO LIMITED T/A DAWAT | Kent | A rating |
| DAWAT GROUP LTD | Mitcham | A rating |
| Dawat Indian Restaurant Ltd TA Shafiques | Goring-by-Sea | A rating |
| Dawat Spice Ltd | Chatham | A rating |
| DAWAT TOOTING LTD | London | A rating |
| Dawat-e-Hadiyah Trust (United Kingdom) | Northolt | A rating |
| Dawdon Welfare Cricket Club | Seaham | A rating |
| DAWER & CO LIMITED | Hounslow | A rating |
| Dawkins International Ltd | Norwich | A rating |
| Dawley Superfoods Ltd | Hayes | A rating |
| Dawlish Construction Limited | Ilford | A rating |
| Dawlish Medical Group | Dawlish | A rating |
| Dawn Healthcare Solutions Ltd | Leicester | A rating |
| Dawn Capital LLP | London | A rating |
| Dawn Care Services Ltd | Swindon | A rating |
| DAWN CHARITABLE TRUST | HARROW | A rating |
| DAWN ESTATES MIDLANDS LIMITED | Birmingham | A rating |
| Dawn Global Management Limited | London | A rating |
| DAWN TECHNOLOGIES LTD | London | A rating |
| Dawoo Design Limited | New Malden | A rating |
| DAWOOD REPAIRINGS LTD | London | A rating |
| Dawson Barker Limited | London | A rating |
| DAWSON E&E PARTS (EUROPE) LTD | Bristol | A rating |
| Dawson Housing Limited | Birmingham | A rating |
| Dawson International (UK) Ltd. | London | A rating |
| Dawson Rodgers & Co Ltd | Greater Manchester | A rating |
| Dawsongroup Limited | Milton Keynes | A rating |
| Daxa Patel | London | A rating |
| DAXTON CAPITAL LIMITED | London | A rating |